[dpdk-dev] [PATCH] drivers/qat: fix failure to create PMD

Fiona Trahe fiona.trahe at intel.com
Mon Oct 1 17:36:52 CEST 2018


If QAT crypto pmd failed to be created due to reaching max allowed
cryptodevs it prevented QAT comp PMD being created. And vice versa.
Change to warning in these cases and allow the other PMD to be created.

Fixes: c0c90bc4cade ("compress/qat: add create and destroy functions")
Cc: stable at dpdk.org

Signed-off-by: Fiona Trahe <fiona.trahe at intel.com>
---
 drivers/compress/qat/qat_comp_pmd.c | 6 ++++--
 drivers/crypto/qat/qat_sym_pmd.c    | 6 ++++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/compress/qat/qat_comp_pmd.c b/drivers/compress/qat/qat_comp_pmd.c
index 63af23a..6510cca 100644
--- a/drivers/compress/qat/qat_comp_pmd.c
+++ b/drivers/compress/qat/qat_comp_pmd.c
@@ -389,8 +389,10 @@ qat_comp_dev_create(struct qat_pci_device *qat_pci_dev)
 			sizeof(struct qat_comp_dev_private),
 			&init_params);
 
-	if (compressdev == NULL)
-		return -ENODEV;
+	if (compressdev == NULL) {
+		QAT_LOG(WARNING, "Failed to create QAT COMP device %s", name);
+		return 0;
+	}
 
 	compressdev->dev_ops = &compress_qat_ops;
 
diff --git a/drivers/crypto/qat/qat_sym_pmd.c b/drivers/crypto/qat/qat_sym_pmd.c
index c3f7004..82fde16 100644
--- a/drivers/crypto/qat/qat_sym_pmd.c
+++ b/drivers/crypto/qat/qat_sym_pmd.c
@@ -261,8 +261,10 @@ qat_sym_dev_create(struct qat_pci_device *qat_pci_dev)
 	cryptodev = rte_cryptodev_pmd_create(name,
 			&(qat_pci_dev->sym_rte_dev), &init_params);
 
-	if (cryptodev == NULL)
-		return -ENODEV;
+	if (cryptodev == NULL) {
+		QAT_LOG(WARNING, "Failed to create QAT SYM device %s", name);
+		return 0;
+	}
 
 	qat_pci_dev->sym_rte_dev.name = cryptodev->data->name;
 	cryptodev->driver_id = cryptodev_qat_driver_id;
-- 
2.7.4



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